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TPS53819A Datasheet(PDF) 8 Page - Texas Instruments |
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TPS53819A Datasheet(HTML) 8 Page - Texas Instruments |
8 / 52 page TPS53819A SLUSB56A – NOVEMBER 2012 – REVISED OCTOBER 2015 www.ti.com 6.6 Timing Requirements MIN NOM MAX UNIT POWER-ON DELAY Delay from enable to switching 356 μs POD<2:0> = 000 Delay from enable to switching 612 μs POD<2:0> = 001 Delay from enable to switching 1.124 ms POD<2:0> = 010 Delay from enable to switching 2.148 ms POD<2:0> = 011 tPODLY Power-on delay time Delay from enable to switching 4.196 ms POD<2:0> = 100 Delay from enable to switching 8.292 ms POD<2:0> = 101 Delay from enable to switching 16.48 ms POD<2:0> = 110 Delay from enable to switching 32.86 ms POD<2:0> = 111 PGOOD DELAY Delay for PGOOD going in 165 256 320 μs PGD<2:0> = 000 Delay for PGOOD going in 409 512 614 μs PGD<2:0> = 001 Delay for PGOOD going in 0.819 1.024 1.228 ms PGD<2:0> = 010 Delay for PGOOD going in 1.638 2.048 2.458 ms PGD<2:0> = 011 tPGDLY PGOOD delay time Delay for PGOOD going in 3.276 4.096 4.915 ms PGD<2:0> = 100 Delay for PGOOD going in 6.553 8.192 9.83 ms PGD<2:0> = 101 Delay for PGOOD going in 13.104 16.38 19.656 ms PGD<2:0> = 110 Delay for PGOOD going in 105 131 157 ms PGD<2:0> = 111 Delay for PGOOD coming out 2 μs SOFT START TIME SST<1:0> = 00 1.0 SST<1:0> = 01 2.0 tSS Soft-start time ms SST<1:0> = 10 4.0 SST<1:0> = 11 8.0 FREQUENCY CONTROL tOFF(min) Minimum off-time DRVH falling to rising 320 ns tON(min) Minimum on-time(1) DRVH rising to falling 60 ns PROTECTIONS tUVPDLY UVP filterdelay time 1 ms DRIVER DRVH-off to DRVL-on 10 tDEAD Dead time ns DRVL-off to DRVH-on 20 (1) Specified by design. Not production tested. 8 Submit Documentation Feedback Copyright © 2012–2015, Texas Instruments Incorporated Product Folder Links: TPS53819A |
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